CN209126522U - Bi-motor coupling drive system - Google Patents
Bi-motor coupling drive system Download PDFInfo
- Publication number
- CN209126522U CN209126522U CN201822061661.1U CN201822061661U CN209126522U CN 209126522 U CN209126522 U CN 209126522U CN 201822061661 U CN201822061661 U CN 201822061661U CN 209126522 U CN209126522 U CN 209126522U
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- China
- Prior art keywords
- motor
- pulley
- drive system
- power
- belt pulley
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Abstract
The utility model relates to electric car fields, disclose a kind of bi-motor coupling drive system.The system includes first motor, second motor, first belt pulley, counter pulley, second belt pulley, output shaft, planetary mechanism, the first motor is able to drive first pulley rotation, second motor is able to drive second pulley rotation, the first motor and first belt pulley are provided with power-off device, second motor and second motor are provided with power-off device, the counter pulley and first belt pulley, the second belt pulley V belt translation connection, one end of the output shaft is connect with the counter pulley, it is power output end backwards to one end of the counter pulley, the planetary mechanism is coaxially set on the output shaft.This drive system structure provided by the utility model is compact, and transmission efficiency is high, can preferably realize the switching of two kinds of dynamic modes, and power interference is smaller.
Description
Technical field
The utility model relates to electric car fields, more particularly to a kind of bi-motor coupling drive system.
Background technique
Motor driven systems are the hearts of pure electric automobile, and its task is to expeditiously will under the control of driver
The electric energy of battery is converted into the kinetic energy of vehicle, or the kinetic energy feedback of vehicle is returned in battery.Motor driven systems include
Electrical system and mechanical system two parts, electrical system is by the three subsystems group such as motor, power converter and electronic controller
At mechanical system mainly includes mechanical driving device and wheel.Distribution shape of the motor driven systems on pure electric automobile at present
Formula is mainly shown as that more motors independently drive and single motor centralization drives.
The bi-motor coupling drive system (Dual-motor Coupling Powertrain) of pure electric automobile can be real
The pattern switching of existing power failure-free, has in electric car industry and is widely applied very much, especially under severe duty, such as
In motor wagon, electric motor coach.
Currently, the motor driven systems of pure electric automobile generally use single motor integrated driving mode, or using wheel hub electricity
The mode of machine distribution driving.Integrated motor drive mode usually requires a powerful motor under severe duty, not only
Low efficiency, and with the increase of power of motor, the weight and volume of driving motor increases；Hub motor distribution drive mode
It needs for motor to be integrated into wheel hub, power density, heat dissipation of hub motor etc. are proposed harsh requirement, and hub motor
Braking ability is limited, influences traffic safety, and by severe duty, bad environments is come from, faces the multi-party face such as water, dust
It rings.Although bi-motor coupling drive system is reduced about single motor integrated driving mode and is driven using hub motor distribution
Disadvantage, but still there are structures it is not compact enough, transmission efficiency is not high, pattern switching has some setbacks the problems such as.
Utility model content
It is not only compact-sized the purpose of the utility model is to provide a kind of bi-motor coupling drive system, and it is driven effect
Rate is high, can preferably realize the switching of two kinds of dynamic modes.
To achieve the goals above, the utility model provides a kind of bi-motor coupling drive system, the bi-motor coupling
Drive system includes first motor, the second motor, the first belt pulley, counter pulley, the second belt pulley, output shaft, planet machine
Structure, the first motor are able to drive first pulley rotation, and second motor is able to drive second belt pulley
Rotation, the first motor and first belt pulley are provided with power-off device, second motor and second skin
Belt wheel is provided with power-off device, and the counter pulley and first belt pulley, the second belt pulley V belt translation connect
It connecing, it is power output end backwards to one end of the counter pulley that one end of the output shaft is connect with the counter pulley,
The planetary mechanism is coaxially set on the output shaft.
Preferably, the planetary mechanism includes gear ring support, hollow shaft, planetary gear, planet carrier, one-way clutch, the sun
Wheel, the sun gear, the planet carrier, the gear ring support, the hollow shaft are sequentially coaxially set on the output shaft.
Preferably, the planet carrier can be freely rotated around the output shaft, between the planet carrier and the output shaft
The one-way clutch that the planet carrier is freely rotated can be limited by being provided with.
Preferably, the one-way clutch with the planet carrier can be realized first state, two kinds of the second state connect pass
System；In the first state, the one-way clutch and the planet carrier disconnect, and the planet carrier freely turns around the output shaft
It is dynamic；In the second condition, in conjunction with the planet carrier, the planet carrier rotates the one-way clutch with the output shaft.
Preferably, the first motor rated power is different from second motor rated power.
Preferably, the first motor and first belt pulley can disconnect power by the power-off device and connect
It connects, second motor can be disconnected by power-off device with second belt pulley and is connected by power.
Preferably, the counter pulley is connect with first belt pulley by V-type V belt translation, the counter pulley
It is connect with second belt pulley by V-type V belt translation.
Preferably, the V-type is between 30 degree~45 degree of the angle of wedge.
Preferably, the planetary gear quantity is 2 or 4.
Using a kind of bi-motor coupling drive system of the utility model above-mentioned technical proposal, have the effect that
Such bi-motor coupling drive system include first motor, the second motor, the first belt pulley, counter pulley,
Second belt pulley, output shaft, planetary mechanism, the first motor are able to drive first pulley rotation, second electricity
Machine is able to drive second pulley rotation, and the first motor and first belt pulley are provided with power-off device,
Second motor and second belt pulley are provided with power-off device, can control power-off device and disconnect and tie
It closes, switches the output of different dynamic mode rapidly, and in the counter pulley and first belt pulley, second belt
The planetary mechanism and will can be coaxially set in described to the output shaft by wheel belt transmission connection in output after power coupling
On output shaft, structure is more compact, and drive path is shorter, and transmission efficiency is higher.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 shows a kind of bi-motor coupling drive system schematic diagram of embodiment of the utility model.
Description of symbols
1- first motor 2- the second motor the first belt pulley of 3-
4- counter pulley 5- the second belt pulley 6- gear ring support
7- one-way clutch 8- planet carrier 9- planetary gear
10- output shaft 11- hollow shaft 12- sun gear
Specific embodiment
Specific embodiment of the present utility model is described in detail below.It should be understood that described herein
Specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as "inner", "outside" typically refers to
Such as relative positional relationship in attached drawing 1, this relative positional relationship are not intended to limit the utility model.
In order to solve, structure pointed by background technology part is not compact enough, transmission efficiency is not high, pattern switching has some setbacks
Problem, as shown in Figure 1, the bi-motor coupling drive system includes first motor 1, the second motor 2, the first belt pulley 3, middle mesothelium
Belt wheel 4, the second belt pulley 5, output shaft 10, planetary mechanism, the first motor 1 are able to drive first belt pulley 3 and rotate,
Second motor 2 is able to drive second belt pulley 5 and rotates, and the first motor 1 is provided with first belt pulley 3
Power-off device, second motor 2 are provided with power-off device, the counter pulley 4 with second belt pulley 5
It is connect with first belt pulley 3,5 V belt translation of the second belt pulley, one end of the output shaft 10 and the intermediate belt
4 connection of wheel, is power output end backwards to one end of the counter pulley 4, the planetary mechanism is coaxially set in the output
On axis 10.
In the present invention, for more compact each transmission parts of arrangement, the planetary mechanism includes gear ring support
6, hollow shaft 11, planetary gear 9, planet carrier 8, one-way clutch 7, sun gear 12, it is the sun gear 12, the planet carrier 8, described
Gear ring support 6, the hollow shaft 11 are sequentially coaxially set on the output shaft 10.
In the present invention, the planet carrier 8 can be freely rotated around the output shaft 10, the planet carrier 8 and institute
It states to be provided between output shaft 10 and can limit the one-way clutch 7 that the planet carrier 8 is freely rotated.
In the present invention, in order to realize the output of different rotating speeds and torque, the one-way clutch 7 and the planet
Frame 8 can be realized two kinds of first state, the second state connection relationships；In the first state, the one-way clutch 7 and the row
Carrier 8 disconnects, and the planet carrier 8 is freely rotated around the output shaft 10；In the second condition, the one-way clutch 7 with
The planet carrier 8 combines, and the planet carrier 8 is rotated with the output shaft 10.
In the present invention, in order to adapt to vehicle different capacity demand, 1 rated power of first motor and described the
Two motors, 2 rated power is different.
In the present invention, in order to preferably carry out being switched fast for operating mode, the first motor 1 and described the
One belt pulley 3 can be disconnected by the power-off device and is connected by power, second motor 2 and second belt pulley 5
It can be disconnected and be connected by power by power-off device.
In the present invention, the counter pulley 4 is connect with first belt pulley 3 by V-type V belt translation, described
Counter pulley 4 is connect with second belt pulley 5 by V-type V belt translation.
In the present invention, for the reliability of preferably V belt translation, 30 degree~45 degree of the angle of wedge of the V-type band of use
Between.
In the present invention, in order to realize stability of the planetary gear in deceleration link, 9 quantity of planetary gear is 2
It is a or 4.
Preferred embodiments of the present invention are described in detail above, still, the utility model is not limited to above-mentioned reality
Apply the detail in mode, in the range of the technology design of the utility model, can to the technical solution of the utility model into
The a variety of simple variants of row, these simple variants belong to the protection scope of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the utility model is to each
No further explanation will be given for the possible combination of kind.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (9)
1. a kind of bi-motor coupling drive system, which is characterized in that the bi-motor coupling drive system includes first motor
(1), the second motor (2), the first belt pulley (3), counter pulley (4), the second belt pulley (5), output shaft (10), planet machine
Structure, the first motor (1) are able to drive first belt pulley (3) rotation, and second motor (2) is able to drive described the
Two belt pulleys (5) rotation, the first motor (1) and first belt pulley (3) are provided with power-off device, and described second
Motor (2) and second belt pulley (5) are provided with power-off device, the counter pulley (4) and first belt
(3), the second belt pulley (5) V belt translation connection are taken turns, one end and the counter pulley (4) of the output shaft (10) are even
It connects, one end backwards to the counter pulley (4) is power output end, and the planetary mechanism is coaxially set in the output shaft
(10) on.
2. bi-motor coupling drive system according to claim 1, which is characterized in that the planetary mechanism includes gear ring branch
Frame (6), hollow shaft (11), planetary gear (9), planet carrier (8), one-way clutch (7), sun gear (12), the sun gear (12),
The planet carrier (8), the gear ring support (6), the hollow shaft (11) are sequentially coaxially set on the output shaft (10).
3. bi-motor coupling drive system according to claim 2, which is characterized in that the planet carrier (8) can be around institute
It states output shaft (10) to be freely rotated, the planet can be limited by being provided between the planet carrier (8) and the output shaft (10)
The one-way clutch (7) that frame (8) is freely rotated.
4. bi-motor coupling drive system according to claim 3, which is characterized in that the one-way clutch (7) and institute
Stating planet carrier (8) can be realized two kinds of first state, the second state connection relationships；In the first state, the one-way clutch
(7) it is disconnected with the planet carrier (8), the planet carrier (8) is freely rotated around the output shaft (10)；In the second condition,
The one-way clutch (7) and the planet carrier (8) combine, and the planet carrier (8) rotates with the output shaft (10).
5. bi-motor coupling drive system according to claim 1, which is characterized in that the specified function of the first motor (1)
Rate is different from the second motor (2) rated power.
6. bi-motor coupling drive system according to claim 1, which is characterized in that the first motor (1) with it is described
First belt pulley (3) can be disconnected by the power-off device and is connected by power, second motor (2) and second skin
Belt wheel (5) can be disconnected by power-off device and is connected by power.
7. bi-motor coupling drive system according to claim 1, which is characterized in that the counter pulley (4) and institute
It states the first belt pulley (3) to connect by V-type V belt translation, the counter pulley (4) and second belt pulley (5) pass through V-type
V belt translation connection.
8. bi-motor coupling drive system according to claim 7, which is characterized in that the V-type band angle of wedge 30 degree~45
Between degree.
9. bi-motor coupling drive system according to claim 2, which is characterized in that planetary gear (9) quantity is 2
Or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061661.1U CN209126522U (en) | 2018-12-10 | 2018-12-10 | Bi-motor coupling drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061661.1U CN209126522U (en) | 2018-12-10 | 2018-12-10 | Bi-motor coupling drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209126522U true CN209126522U (en) | 2019-07-19 |
Family
ID=67248547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822061661.1U Expired - Fee Related CN209126522U (en) | 2018-12-10 | 2018-12-10 | Bi-motor coupling drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209126522U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111842A (en) * | 2019-12-26 | 2020-05-08 | 焦作煤业（集团）新乡能源有限公司 | Novel double-geared roller crusher |
| CN111336239A (en) * | 2020-04-30 | 2020-06-26 | 宋灵君 | Oil receiving device and method for oil field pumping unit reducer |
| CN111457079A (en) * | 2020-04-30 | 2020-07-28 | 宋灵君 | Oil receiving method for reducer of oil pumping unit in oil field |
-
2018
- 2018-12-10 CN CN201822061661.1U patent/CN209126522U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111842A (en) * | 2019-12-26 | 2020-05-08 | 焦作煤业（集团）新乡能源有限公司 | Novel double-geared roller crusher |
| CN111336239A (en) * | 2020-04-30 | 2020-06-26 | 宋灵君 | Oil receiving device and method for oil field pumping unit reducer |
| CN111457079A (en) * | 2020-04-30 | 2020-07-28 | 宋灵君 | Oil receiving method for reducer of oil pumping unit in oil field |
| CN111457079B (en) * | 2020-04-30 | 2021-10-22 | 苏海燕 | Oil receiving method for reducer of oil pumping unit in oil field |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |